公开(公告)号：US08863919B2

公开(公告)日：2014-10-21

申请号：US13424016

申请日：2012-03-19

申请人： Yu Don Jung ,  Chang Bok Ko

发明人： Yu Don Jung ,  Chang Bok Ko

IPC分类号： F16D51/22 ,  B60L7/24 ,  F16D51/00 ,  F16D65/22 ,  F16D65/28 ,  F16D125/50 ,  F16D125/40 ,  F16D125/64 ,  F16D121/24

CPC分类号： B60L7/24 ,  B60T13/746 ,  F16D51/00 ,  F16D51/22 ,  F16D65/22 ,  F16D65/28 ,  F16D2121/24 ,  F16D2125/40 ,  F16D2125/50 ,  F16D2125/64

摘要： Disclosed is a motor driven type electric parking brake system. The parking brake system includes a drum that is rotated along with a wheel, first and second brake shoes installed in the drum to apply brake force to the drum, an operating lever that supports the two brake shoes and pushes the two brake shoes against an inner surface of the drum when a pivoting lever is pulled, a motor to generate drive power to drive the pivoting lever, a cycloid speed reducer connected to a rotating shaft of the motor to amplify the drive power, a spindle member rotatably connected to the speed reducer and having a male screw portion, and a nut member having a female screw portion reciprocally screwed to the male screw portion. The nut member is moved in a longitudinal direction of the spindle member and supports an end of the pivoting lever.

摘要翻译： 公开了一种马达驱动型电动驻车制动系统。 驻车制动系统包括与轮一起旋转的滚筒，安装在滚筒中的第一和第二制动蹄向滚筒施加制动力，操作杆，其支撑两个制动蹄并将两个制动蹄推向内部 拉动转动杆时的滚筒表面，产生用于驱动枢转杆的驱动力的马达，连接到马达的旋转轴的摆线减速器以放大驱动力;心轴构件，可旋转地连接到减速器 并且具有外螺纹部分，以及螺母部件，其具有往螺旋连接到阳螺纹部分的内螺纹部分。 螺母构件沿着心轴构件的纵向移动并且支撑枢转杆的端部。

公开(公告)号：US20130283780A1

公开(公告)日：2013-10-31

申请号：US13873139

申请日：2013-04-29

申请人： Young Jun Son ,  Yu Don Jung

发明人： Young Jun Son ,  Yu Don Jung

IPC分类号： B60T11/224

CPC分类号： B60T11/224

摘要： Disclosed is a master cylinder for brake systems including a cylinder body having a bore therein, a first and second piston installed in the bore to move forward and backward, and a first hydraulic pressure chamber and a second hydraulic pressure chamber, the first and second hydraulic pressure chambers being divided from each other in the bore. The master cylinder further includes a pressure regulating channel to connect the first hydraulic pressure chamber to second hydraulic pressure chamber to reduce pressure difference between the first hydraulic pressure chamber and the second hydraulic pressure chamber, and a flow control valve provided in the pressure regulating channel to open and close the pressure regulating channel according to the pressure difference between the first hydraulic pressure chamber and the second hydraulic pressure chamber. The first hydraulic pressure chamber is provided with a large hydraulic pressure chamber expanded to an inside of the cylinder body, and a small hydraulic pressure chamber smaller than the large hydraulic pressure chamber.

摘要翻译： 公开了一种用于制动系统的主缸，包括：缸体，其中具有孔;安装在孔中的第一和第二活塞向前和向后移动;第一液压室和第二液压室，第一和第二液压 压力室在孔中彼此分开。 主缸还包括压力调节通道，用于将第一液压室连接到第二液压室，以减小第一液压室和第二液压室之间的压差;以及流量控制阀，其设置在压力调节通道中 根据第一液压室和第二液压室之间的压力差来打开和关闭压力调节通道。 第一液压室设置有扩大到缸体内部的大液压室和小液压室，小液压室小于大液压室。

公开(公告)号：US20120234640A1

公开(公告)日：2012-09-20

申请号：US13424016

申请日：2012-03-19

申请人： Yu Don Jung ,  Chang Bok Ko

发明人： Yu Don Jung ,  Chang Bok Ko

IPC分类号： F16D65/22 ,  F16D51/20

CPC分类号： B60L7/24 ,  B60T13/746 ,  F16D51/00 ,  F16D51/22 ,  F16D65/22 ,  F16D65/28 ,  F16D2121/24 ,  F16D2125/40 ,  F16D2125/50 ,  F16D2125/64

摘要： Disclosed is a motor driven type electric parking brake system. The parking brake system includes a drum that is rotated along with a wheel, first and second brake shoes installed in the drum to apply brake force to the drum, an operating lever that supports the two brake shoes and pushes the two brake shoes against an inner surface of the drum when a pivoting lever is pulled, a motor to generate drive power to drive the pivoting lever, a cycloid speed reducer connected to a rotating shaft of the motor to amplify the drive power, a spindle member rotatably connected to the speed reducer and having a male screw portion, and a nut member having a female screw portion reciprocally screwed to the male screw portion. The nut member is moved in a longitudinal direction of the spindle member and supports an end of the pivoting lever.

摘要翻译： 公开了一种马达驱动型电动驻车制动系统。 驻车制动系统包括与轮一起旋转的滚筒，安装在滚筒中的第一和第二制动蹄向滚筒施加制动力，操作杆，其支撑两个制动蹄并将两个制动蹄推向内部 拉动转动杆时的滚筒表面，产生用于驱动枢转杆的驱动力的马达，连接到马达的旋转轴的摆线减速器以放大驱动力;心轴构件，可旋转地连接到减速器 并且具有外螺纹部分，以及螺母部件，其具有往螺旋连接到阳螺纹部分的内螺纹部分。 螺母构件沿着心轴构件的纵向移动并且支撑枢转杆的端部。